| Chiaki Nanami vs King | 17–17 | 50.00% |
| Chiaki Nanami vs Dragunov | 12–11 | 52.17% |
| Chiaki Nanami vs Jin | 10–11 | 47.62% |
| Chiaki Nanami vs Bryan | 5–9 | 35.71% |
| Chiaki Nanami vs Kazuya | 9–5 | 64.29% |
| Chiaki Nanami vs Hwoarang | 4–6 | 40.00% |
| Chiaki Nanami vs Azucena | 3–7 | 30.00% |
| Chiaki Nanami vs Paul | 4–5 | 44.44% |
| Chiaki Nanami vs Law | 6–3 | 66.67% |
| Chiaki Nanami vs Steve | 4–5 | 44.44% |
| Chiaki Nanami vs Alisa | 4–4 | 50.00% |
| Chiaki Nanami vs Nina | 2–6 | 25.00% |
| Chiaki Nanami vs Jun | 6–2 | 75.00% |
| Chiaki Nanami vs Lili | 3–4 | 42.86% |
| Chiaki Nanami vs Reina | 6–1 | 85.71% |
| Chiaki Nanami vs Anna | 2–5 | 28.57% |
| Chiaki Nanami vs Heihachi | 3–3 | 50.00% |
| Chiaki Nanami vs Xiaoyu | 3–2 | 60.00% |
| Chiaki Nanami vs Asuka | 1–4 | 20.00% |
| Chiaki Nanami vs Devil Jin | 3–2 | 60.00% |
| Chiaki Nanami vs Lars | 5–0 | 100.00% |
| Chiaki Nanami vs Victor | 3–2 | 60.00% |
| Chiaki Nanami vs Eddy | 1–4 | 20.00% |
| Chiaki Nanami vs Yoshimitsu | 3–1 | 75.00% |
| Chiaki Nanami vs Zafina | 4–0 | 100.00% |
| Chiaki Nanami vs Feng | 3–0 | 100.00% |
| Chiaki Nanami vs Claudio | 2–1 | 66.67% |
| Chiaki Nanami vs Panda | 2–1 | 66.67% |
| Chiaki Nanami vs Leroy | 1–2 | 33.33% |
| Chiaki Nanami vs Clive | 3–0 | 100.00% |
| Chiaki Nanami vs Fahkumram | 2–1 | 66.67% |
| Chiaki Nanami vs Raven | 2–0 | 100.00% |
| Chiaki Nanami vs Miary Zo | 1–1 | 50.00% |
| Chiaki Nanami vs Jack-8 | 0–1 | 0.00% |
Limitations
This data is often requested to give insight into which characters you have more trouble with than others, but it is not particularly helpful for that. The main issue is that it is heavily skewed by how strong the opponents you play are.
For example, this data suggests my worst matchup is clearly vs Reina, but that's just because most of those games are vs Yagami.
There is a way to account for this being worked on. The central idea is to assign each matchup a rating vs you which adjusts based on the result, much like the regular rating but also based on the rating of each player. With this, it would give a better summary of how well you perform vs each character.
In the meantime, this page is here to present the data as requested.